#!@TERMUX_PREFIX@/bin/bash
set -u

PARAM_LIMIT_DEFAULT=10
PARAM_LIMIT="$PARAM_LIMIT_DEFAULT"

PARAM_OFFSET_DEFAULT=0
PARAM_OFFSET="$PARAM_OFFSET_DEFAULT"

PARAMS=""

SCRIPTNAME=termux-call-log

validate_is_postive_number() {
    if [[ ! "${2:-}" =~ ^[0-9]+$ ]]; then
        echo "ERROR: The -$1 value '${2:-}' is not a positive number." 1>&2
        show_usage || return $?
        exit 1
    fi
}

show_usage () {
    echo "Usage: $SCRIPTNAME [-l <limit>] [-o <offset>]"
    echo "List call log history"
    echo "  -l <limit>   limit in call log list (default: $PARAM_LIMIT_DEFAULT)"
    echo "  -o <offset>  offset in call log list (default: $PARAM_OFFSET_DEFAULT)"
}

while getopts :hl:o: option
do
    case "$option" in
        h) show_usage; exit 0;;
        l) PARAM_LIMIT="$OPTARG";;
        o) PARAM_OFFSET="$OPTARG";;
        ?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
    esac
done
shift $((OPTIND-1))

validate_is_postive_number l "$PARAM_LIMIT"
validate_is_postive_number o "$PARAM_OFFSET"

if [ $# != 0 ]; then echo "$SCRIPTNAME: too many arguments"; exit 1; fi

PARAMS="$PARAMS --ei offset $PARAM_OFFSET --ei limit $PARAM_LIMIT"
@TERMUX_PREFIX@/libexec/termux-api CallLog $PARAMS
